void flower_sound_device::device_start()
{
flower_sound_channel *voice;
m_effect_timer = timer_alloc(TIMER_CLOCK_EFFECT);
m_stream = machine().sound().stream_alloc(*this, 0, 1, MIXER_SAMPLERATE);
m_mixer_buffer = auto_alloc_array(machine(), short, MIXER_SAMPLERATE);
make_mixer_table(8, MIXER_DEFGAIN);
/* extract globals from the interface */
m_last_channel = m_channel_list + 8;
m_sample_rom = machine().root_device().memregion("sound1")->base();
m_volume_rom = machine().root_device().memregion("sound2")->base();
/* register for savestates */
for (int i = 0; i < 8; i++)
{
voice = &m_channel_list[i];
save_item(NAME(voice->freq), i+1);
save_item(NAME(voice->pos), i+1);
save_item(NAME(voice->volume), i+1);
save_item(NAME(voice->voltab), i+1);
save_item(NAME(voice->effect), i+1);
save_item(NAME(voice->ecount), i+1);
save_item(NAME(voice->oneshot), i+1);
save_item(NAME(voice->active), i+1);
save_item(NAME(voice->start), i+1);
}
}
void k005289_device::device_start()
{
/* get stream channels */
m_rate = clock() / CLOCK_DIVIDER;
m_stream = stream_alloc(0, 1, m_rate);
/* allocate a pair of buffers to mix into - 1 second's worth should be more than enough */
m_mixer_buffer = std::make_unique<short[]>(2 * m_rate);
/* build the mixer table */
make_mixer_table(2);
/* reset all the voices */
for (int i = 0; i < 2; i++)
{
m_counter[i] = 0;
m_frequency[i] = 0;
m_freq_latch[i] = 0;
m_waveform[i] = i * 0x100;
m_volume[i] = 0;
}
save_item(NAME(m_counter));
save_item(NAME(m_frequency));
save_item(NAME(m_freq_latch));
save_item(NAME(m_waveform));
save_item(NAME(m_volume));
}
int TMS3617_sh_start(const struct MachineSound *msound)
{
int voice;
struct TMS3617_interface *intf = &monsterb_intf;
buffer_len = intf->samplerate / Machine->drv->frames_per_second;
emulation_rate = buffer_len * Machine->drv->frames_per_second;
channel = mixer_allocate_channel(intf->volume);
if ((output_buffer = malloc(buffer_len)) == 0)
return 1;
if ((mixer_buffer = malloc(sizeof(short) * buffer_len)) == 0)
{
free (output_buffer);
return 1;
}
if (make_mixer_table (intf->gain))
{
free (mixer_buffer);
free (output_buffer);
return 1;
}
sample_pos = 0;
TMS3617_pitch = 0;
interface = intf;
for (voice = 0;voice < NUM_VOICES;voice++)
{
counter[voice] = 0;
voice_enable[voice] = 1;
}
return 0;
}
